#include<stdio.h>
int main(void){
    //printf("%d",'\141');
//putchar(257);
/*
for (int i=1;i<500;i++){
    printf("%c ",i);
}
*/
    //int a = 2;
   // printf("%d",a*=2+3);
   /*int x = 11;
   printf("%d%%",x);
*/
/*
    printf("%2d\n",123);
    printf("%5d\n",123);
    printf("%10f\n",1.25);
    printf("%5.3f\n",1.25);
    int i;
    float j = 3.6;
    double k = 2.0;
    i = j;
    j = k;
    printf("%d\n%f",i,j);*/
    /*int a,b,c;
    scanf("%d%d%*d%d",&a,&b,&c);
    printf("%d%d%d",a,b,c);*/
/*
    int a =1,b=2,c=3,d=4,e=5;
    int k = a>b?c: d>e?d:e;
    printf("%d",k);*/

   /* int a,b;
    b= (a = 3) != 2;
    printf("%d",b);
    return 0;*/
/*
    int k =1;
    while(--k);
    printf("%d\n",k);

    int j = 1;
    while( j --);
    printf("%d",j);
    */
   // char *s="meikanshu";
    //*(s+2) = 'H';
   /* printf("%c\n\n",*(s+2));

    while(*s){
        printf("%c\n",*s);
        s++;

    }*/
    char a = '\0';
    printf("%c",a);
    return 0;
}
